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In this episode of SpaceTime, we explore the latest developments in space exploration, lunar geology, and solar phenomena.
SpaceX's Fiery Ninth Starship Test Flight
The latest test flight of SpaceX's Starship ended dramatically as both the orbiter and the booster were destroyed during reentry. Despite the fiery conclusion, SpaceX officials noted that the test was designed to push the limits of the spacecraft. The flight featured numerous milestones, including a successful hot staging and the first reflight of a booster. However, issues arose during the landing burn, resulting in a spectacular explosion. We discuss the implications of this test and what it means for future missions, including NASA's Artemis 3.
Lunar Rocks and Their Magnetic Mystery
A new study proposes that a significant asteroid impact may explain the presence of highly magnetic rocks on the Moon. Researchers suggest that a brief amplification of the Moon's weak magnetic field, caused by a large plasma-generated impact event, could account for the magnetism observed in some lunar samples. This hypothesis sheds light on the Moon's geological history and its magnetic properties, particularly in regions near the lunar south pole, where future missions are planned.
Revealing the Sun's Corona
Astronomers have captured unprecedented details of the Sun's corona using a new adaptive optics system. This groundbreaking technology has allowed scientists to produce the clearest images of the corona yet, enhancing our understanding of coronal heating and solar eruptions. The new observations reveal dynamic features and turbulent flows within the corona, providing insights into the mechanisms driving space weather and its effects on Earth.
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✍️ Episode References
Nature Astronomy
https://www.nature.com/natureastronomy/
Science Advances
https://www.science.org/journal/sciadv
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00:00 This is Space Time Series 28, Episode 67 for broadcast on 4 June 2025
01:00 SpaceX's ninth Starship test flight
12:15 Lunar rocks and their magnetic mystery
22:30 Revealing the Sun's corona
30:00 Science report: New methods for green hydrogen production